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Service bulletin B240423

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10242970
Published by NHTSA2023-10-01
Manufacturer's numberB240423
Manufacturer's date2023-09-28
NHTSA componentPOWER TRAIN

NHTSA's summary

BMW AG has issued a Delivery Stop (effective September 28, 2023) on certain Model Year 2023 BMWvehicles that were produced between January 23, 2023, and June 15, 2023.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Vehicles listed
BMW 3 SERIES2023
BMW 3 SERIES2023
BMW 3 SERIES2023
BMW 3 SERIES2023
BMW 430I2023
BMW M32023
BMW M52023
BMW M82023
BMW X32023
BMW X42023
BMW X52023
BMW X62023

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20236462023-12-06. Powertrain
23V8210002023-12-06. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B3303252025-09-15. Service campaign. The rear right driven half-shaft (aka output shaft/driven shaft) may not have been manufactured correctly during production and may break. In the event of a failure, there could be significant noises in the area of the rear axle and the driving performance will be noticeably reduced.
B2702202024-09-02. Service bulletin. There is a jerking or shuddering during either or both of the following: Cornering or accelerating from low speeds Driving with low to medium loads There are no warning lights or Check Control messages.
B6109242024-05-29. Service campaign. The inverter or (EGS-EME) Electrical Machine Electronics Transmission Control supply line may be damaged due to improper routing. This can cause Check Control Message (CCM) warnings, or in some instances the vehicle may slowly coast to a stop during purely electric driving.
B2702202024-05-29. Service bulletin. There is a jerking or shuddering during either or both of the following: Cornering or accelerating from low speeds Driving with low to medium loads There are no warning lights or Check Control messages.
B6109242024-04-01. Service bulletin. The inverter or (EGS-EME) Electrical Machine Electronics Transmission Control supply line may be damaged due to improper routing. This can cause Check Control Message (CCM) warnings, or in some instances the vehicle may slowly coast to a stop during purely electric driving.
MCAS40232023-10-01. Service bulletin. BMW AG has requested the inspection of all dealer stock of the following part number(s) listed below to ensure the spacer is conformed to drawing.
B6120232023-09-25. Service bulletin. ?The customer states there is a Drivetrain Malfunction message displayed in the instrument cluster, and in some cases the vehicle will not go into drive readiness.
B2403232023-09-25. Service bulletin. ?A software error may cause an unwanted pressure pulsation in the transmission during a "Remote Engine Start."
B2402232023-07-24. Service bulletin. BMW AG has issued an Emissions Recall (effective March 17, 2023) on a certain Model Year 2021 - 2023 BMW vehicles that were produced between June 16, 2020, and December 13, 2022. Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
SIB1205222023-05-15. Service bulletin. BMW AG has issued a Delivery Stop (effective December 1, 2022) on certain Model Year 2023 BMW i4 and i7 vehicles that were produced between October 5, 2022 and November 10, 2022. A bearing in the front electric drive unit could fail due to a manufacturing defect, resulting in a noise while driving.